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Batu ate 10 of Lizzie's dog treats. That was of all of them. How many dog treats were initially in the box ?

1 Answer

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The cost of the gift is $38.75

Here, we want to get the cost of the gift

From the question, we are told that the amount the aunty gave is 2/5 of the cost

Since we do not know the amount of the gift, let us call it $x

Mathematically;


\begin{gathered} (2)/(5)*\text{ x = 15.50} \\ \\ 2*\text{ x = 5}*15.5 \\ x\text{ = }(5*15.5)/(2) \\ x\text{ = \$38.75} \end{gathered}

User Mark Kortink
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